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49
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1 package IMPL::SQL::Schema::Constraint::PrimaryKey;
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2 use strict;
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3 use base qw(IMPL::SQL::Schema::Constraint::Index);
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4 use IMPL::Class::Property;
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5 use IMPL::Class::Property::Direct;
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6
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7 __PACKAGE__->PassThroughArgs;
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8
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9 BEGIN {
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10 public _direct property ConnectedFK => prop_get;
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11 }
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12
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13 sub CTOR {
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14 my ($this,%args) = @_;
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15
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16 $this->SUPER::CTOR(%args);
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17
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18 $this->{$ConnectedFK} = {};
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19 }
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20
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21 sub ConnectFK {
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22 my ($this,$FK) = @_;
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23
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24 UNIVERSAL::isa($FK,'IMPL::SQL::Schema::Constraint::ForeignKey') or die new Exception('Aprimary key could be connected only to a foreign key');
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25 not exists $this->{$ConnectedFK}->{$FK->UniqName} or die new Exception('This primary key already conneted with the specified foreing key',$FK->Name,$FK->Table->Name);
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26
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27 $this->{$ConnectedFK}->{$FK->UniqName} = $FK;
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28 }
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29
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30 sub DisconnectFK {
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31 my ($this,$FK) = @_;
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32
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33 delete $this->{$ConnectedFK}->{$FK->UniqName};
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34 }
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35
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36 sub Dispose {
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37 my ($this) = @_;
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38
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39 delete $this->{$ConnectedFK};
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40 $this->SUPER::Dispose;
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41 }
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42
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43 1;
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